If the selector lever will not move from P using the proper shift procedure, continue to hold down the brake pedal.

Take the vehicle to an Authorized Mazda Dealer to have the system checked.
Shift-Lock System
Manual Shift ModeChild-Restraint Precautions
Mazda strongly urges the use of child-restraint systems for children small
enough to use
them.
You are required by law to use a child-restraint system for children in the U.S.
and Canada.
Check your local and state or provincial laws for specific requirements
regarding the safety
of ch ...
i-ELOOP
On conventional vehicles, the kinetic energy that is generated when the
vehicle is
decelerated by applying the brakes or during engine braking ends up being
discarded as
heat. By utilizing this discarded kinetic energy to generate electricity and use
it to power the
vehicle's electrical dev ...
Starter Inspection [Mzr 2.0, Mzr 2.5]
On-vehicle Inspection
1. Verify that the battery is fully charged.
2. The starter is normal if it rotates smoothly and without any noise when the
engine is cranked.
If the starter does not operate, inspect the following:
Remove the starter, and inspect the starter unit.
...